Abstract The present work proposes a finite element implementation of Puck's failure criterion for ultimate failure analysis of laminated composite plate via well-established higher order shear deformation theory (HSDT). A seven degree of freedom and continuity finite element model using nine noded isoparametric elements is developed for precise computation of ply-by-ply stresses of laminated composite plate subjected to various bi-axial loading. The physically based Puck's failure criterion based on Mohr–Coulomb hypothesis and a degradation model proposed by Puck is used in the present failure analysis procedure for computing first-ply failure (FPF) and last-ply failure (LPF) stress. The finite element implementation is carried out through a finite element code developed in MATLAB, where material non-linearity due to material behaviour under in plane loading and post FPF damage, was taken into account. The results obtained by present approach are compared with classical Tsai–Wu, Tsai–Hill, Lee's failure criteria and experimental results available in various literatures. The FPF and LPF stress envelopes for a critical lamina are obtained for various lamination schemes, thickness ratio, modulus ratio and different biaxial loading conditions for symmetric angle-ply and cross-ply laminates.
Finite element implementation of Puck's failure criterion for failure analysis of laminated plate subjected to biaxial loadings
Aerospace Science and Technology ; 55 ; 227-241
2016-05-01
15 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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